unprotected

无保护的, 未做防护措施的英释中释adjnot protected against possible harm or damage

1 unprotected sex,不安全性行为

1 Thieves often target unprotected vehicles..窃贼常常瞄准未采取防护措施的车辆。

2 Part-time workers are unprotected by this law..兼职职员不受这条法规保护。